jiū qí gēn yuán
- trace sth. to its source
- search to the bottom
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gules,
gulf,
Gulf Coast,
Gulf of Aden,
Gulf of Alaska,
Gulf of Aqaba,
Gulf of Guinea,
Gulf of Mexico,
Gulf States,
Gulf Stream,
相似单词
鸠夷,
究,
究办,
究根诘底,
究竟,
究其根源,
赳,
赳赳,
阄,
揪,